Mevotech CMS401340 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Mevotech CMS401340 Front Left Lower Control Arm

Mevotech CMS401340 is a suspension control arm and ball joint assembly for the front left lower position on select Ford Ranger models. Built with a steel arm, pre-greased components, and serviceable grease fittings, it is designed for drivers who need a direct-fit replacement for worn front suspension parts on a 2020-2023 Ford Ranger.

Key Features

• Fits 2020-2023 Ford Ranger, front left lower
• Mevotech Supreme Parts engineered in-house with application-specific upgrades
• Steel control arm with black finish
• Ball joint included with press-in mounting type and threaded stud
• Pre-greased with grease fitting included for future service
• Bushings included with rubber bushing material
• Dust boot included with neoprene boot material
• Mounting hardware included, plus locking nut included
• Greaseable design for maintenance access
• Part number CMS401340

Detailed Description

CMS401340 is built for the front left lower suspension position on the Ford Ranger and is suited to high-use passenger and work applications. The assembly combines a steel control arm, sintered metal bearing material, rubber bushings, and a press-in ball joint to restore front suspension geometry and steering response. Mevotech’s Supreme line focuses on application-specific construction details and Labor Saver design elements that help simplify installation and service. This part cross-references Ford OE-style numbers such as KB3Z3079D and 9CB403112 for the same application.

Common Problems This Part Can Address

• Front-end clunking or knocking from a worn lower control arm assembly
• Excessive play from a failing ball joint
• Uneven tire wear caused by suspension looseness
• Steering wander or reduced directional stability
• Cracked or deteriorated bushings in the front suspension

Installation Notes and Tips

Install CMS401340 on the front left lower position only for the listed Ford Ranger applications. Because the ball joint is press-in, proper shop tools are recommended for removal and installation. Verify alignment after replacement, and inspect adjacent suspension components, fasteners, and steering parts before returning the vehicle to service. The pre-greased and greaseable design supports routine maintenance after installation.

Quality Assurance

Mevotech Supreme Parts are engineered in-house with upgrades aimed at durability and performance for commercial vehicles, fleets, SUVs, and working trucks. Part number CMS401340 is built to meet the demands of repeated suspension loading in daily-use applications.